Denny Hamlin didn't hesitate in the least. ''Myself,'' he said when asked who his biggest competition is at Martinsville Speedway now that Jeff Gordon, a nine-time winner on NASCAR's oldest and smallest oval, has retired and moved into the broadcast booth. Jimmie Johnson, the only driver with two victories through the first five races of the season, has won eight times at Martinsville, but the track's unique trophy - a grandfather clock - has gone elsewhere the last five races. More...